body {
  font-size: 20 px;
}
.bigBox {
  height: 400 px;
  width: 400 px;
  border: 5 px solid #000;
  color: #000;
}
.bigBox > div {
  width: 128px;
  height: 128px;
  float: left;
}
.bigBox .ani1 {
  background: url('../../assets/imgs/1.png') no-repeat;
  background-size: cover;
}
.bigBox .ani2 {
  background: url('../../assets/imgs/2.png') no-repeat;
  background-size: cover;
}
.bigBox .ani3 {
  background: url('../../assets/imgs/3.png') no-repeat;
  background-size: cover;
}
.bigBox .ani4 {
  background: url('../../assets/imgs/4.png') no-repeat;
  background-size: cover;
}
:root {
  --mainColor: red;
}
a {
  color: var(--mainColor);
}
